Zobrazeno 1 - 10
of 76
pro vyhledávání: '"S. Boldyryev"'
Publikováno v:
Chemical Engineering Transactions, Vol 61 (2017)
Present work delivers the methodology Time Super Targeting (TST) for optimum solution of heat exchangers networks (HEN) in dynamic when the energy prices are changed. Optimum solution can be found for time slice when the retrofit is completed taking
Externí odkaz:
https://doaj.org/article/bc40f7bc190141d08c642d5dc82acd54
Publikováno v:
Chemical Engineering Transactions, Vol 52 (2016)
This paper deals with selection of optimum amount heat to be recovered during Total Site integration and utility targets for external heating, cooling, refrigerating etc. The methodology provides the calculation of minimum capital investment during h
Externí odkaz:
https://doaj.org/article/571a259cf0724408857319156d6da335
Publikováno v:
Chemical Engineering Transactions, Vol 45 (2015)
In this paper minimisation of total cost for retrofit of Total Site heat recovery system is proposed. It based on analysis of balanced Total Site Profiles and includes procedure for calculation of heat transfer area. Heat transfer area is calculated
Externí odkaz:
https://doaj.org/article/619a636880c646b0896c2481f86f9ae2
Autor:
S. Boldyryev, P.S. Varbanov
Publikováno v:
Chemical Engineering Transactions, Vol 39 (2014)
This paper deals with analysis of energy consumption of Ukrainian bromine plant. Process integration allows reducing the energy consumption on 1.5 MW by heat recovery. It is achieved by improvement of recuperative heat exchangers network. Additionall
Externí odkaz:
https://doaj.org/article/e2325c87e8174513b4a67076083f4e7f
Publikováno v:
Chemical Engineering Transactions, Vol 35 (2013)
In this work the cost-effectiveness of coal mine waste water low potential heat utilization and integration in the enterprise local heating network by the bivalent parallel scheme is investigated. It is shown that the additive criterion of economic e
Externí odkaz:
https://doaj.org/article/87bea785ee67442f89d66b587d931d84
Autor:
E. Nagy, S. Boldyryev
Publikováno v:
Chemical Engineering Transactions, Vol 35 (2013)
The energy used for distillation can reach the 40 % of the total energy demand in bioethanol production. The pervaporation is an important alternative membrane separation process to distillation that can be applied as a hybrid process or even as a si
Externí odkaz:
https://doaj.org/article/65928f1a9e0e4ae981f4506ff8b72466
Publikováno v:
Chemical Engineering Transactions, Vol 35 (2013)
The process of benzene distillation and process of coal tar distillation being typical for East European countries is analyzed in this paper. The pinch analysis method was selected to perform a reconstruction project. According to principles of pinch
Externí odkaz:
https://doaj.org/article/b9c3c46db7ee4b9ba7f6ba27a9816fcb
Publikováno v:
Chemical Engineering Transactions, Vol 35 (2013)
This paper upgrades the Total Site integration methodology, when accounting for a trade-off between capital and heat recovery by selection of optimal temperature levels for intermediate utilities and therefore, decrease capital cost. Heat transfer ar
Externí odkaz:
https://doaj.org/article/9523a8e537774e67a0ec583e781aca29
Publikováno v:
Chemical Engineering Transactions, Vol 29 (2012)
Exploiting heat recovery on Total Site level offers additional potential for energy saving through the central utility system. In the original Total Site Methodology (Klemeš et al., 1997) a single uniform ?Tmin specification was used. It is unrealis
Externí odkaz:
https://doaj.org/article/6f3aa83e868c4a0089db5bc394401ca8
Autor:
S. Boldyryev, P.O. Kapustenko, L.L. Tovazhnyansky, A.O. Garev, O.Yu. Perevertaylenko, G.L. Khavin, O.P. Arsenyeva, J.J. Klemeš
Publikováno v:
Chemical Engineering Transactions, Vol 29 (2012)
This work investigates the possibility of ammonia low potential heat utilisation with use of Process Integration methodology. The two operation modes are considered. The first one is the use of ammonia gas super-heating and partly ammonia condensatio
Externí odkaz:
https://doaj.org/article/2b550a97cb404507ae0c0e675f39e15b